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Viewing changes to modules/m_userhost.c

  • Committer: Package Import Robot
  • Author(s): Antoine Beaupré
  • Date: 2011-11-10 23:07:37 UTC
  • Revision ID: package-import@ubuntu.com-20111110230737-kqo6qsglp5oh02hr
Tags: upstream-3.3.0
Import upstream version 3.3.0

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modules/m_userhost.c
 
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/*
 
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 *  ircd-ratbox: A slightly useful ircd.
 
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 *  m_userhost.c: Shows a user's host.
 
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 *
 
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 *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
 
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 *  Copyright (C) 1996-2002 Hybrid Development Team
 
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 *  Copyright (C) 2002-2005 ircd-ratbox development team
 
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 *
 
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 *  This program is free software; you can redistribute it and/or modify
 
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 *  it under the terms of the GNU General Public License as published by
 
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 *  the Free Software Foundation; either version 2 of the License, or
 
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 *  (at your option) any later version.
 
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 *
 
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 *  This program is distributed in the hope that it will be useful,
 
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 *  GNU General Public License for more details.
 
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 *
 
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 *  You should have received a copy of the GNU General Public License
 
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 *  along with this program; if not, write to the Free Software
 
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 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 
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 *  USA
 
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 *
 
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 *  $Id: m_userhost.c 254 2005-09-21 23:35:12Z nenolod $
 
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 */
 
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#include "stdinc.h"
 
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#include "client.h"
 
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#include "ircd.h"
 
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#include "numeric.h"
 
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#include "s_serv.h"
 
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#include "send.h"
 
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#include "match.h"
 
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#include "msg.h"
 
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#include "parse.h"
 
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#include "modules.h"
 
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#include "s_conf.h"
 
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static char buf[BUFSIZE];
 
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static int m_userhost(struct Client *, struct Client *, int, const char **);
 
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struct Message userhost_msgtab = {
 
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        "USERHOST", 0, 0, 0, MFLG_SLOW,
 
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        {mg_unreg, {m_userhost, 2}, mg_ignore, mg_ignore, mg_ignore, {m_userhost, 2}}
 
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};
 
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mapi_clist_av1 userhost_clist[] = { &userhost_msgtab, NULL };
 
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DECLARE_MODULE_AV1(userhost, NULL, NULL, userhost_clist, NULL, NULL, "$Revision: 254 $");
 
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/*
 
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 * m_userhost added by Darren Reed 13/8/91 to aid clients and reduce
 
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 * the need for complicated requests like WHOIS. It returns user/host
 
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 * information only (no spurious AWAY labels or channels).
 
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 */
 
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static int
 
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m_userhost(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 
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{
 
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        struct Client *target_p;
 
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        char response[NICKLEN * 2 + USERLEN + HOSTLEN + 30];
 
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        char *t;
 
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        int i;                  /* loop counter */
 
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        int cur_len;
 
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        int rl;
 
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        cur_len = rb_sprintf(buf, form_str(RPL_USERHOST), me.name, source_p->name, "");
 
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        t = buf + cur_len;
 
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        for (i = 1; i <= 5; i++)
 
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        {
 
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                if(parc < i + 1)
 
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                        break;
 
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                if((target_p = find_person(parv[i])) != NULL)
 
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                {
 
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                        /*
 
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                         * Show real IP for USERHOST on yourself.
 
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                         * This is needed for things like mIRC, which do a server-based
 
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                         * lookup (USERHOST) to figure out what the clients' local IP
 
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                         * is.  Useful for things like NAT, and dynamic dial-up users.
 
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                         */
 
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                        if(MyClient(target_p) && (target_p == source_p))
 
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                        {
 
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                                rl = rb_sprintf(response, "%s%s=%c%s@%s ",
 
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                                                target_p->name,
 
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                                                IsOper(target_p) ? "*" : "",
 
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                                                (target_p->user->away) ? '-' : '+',
 
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                                                target_p->username,
 
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                                                target_p->sockhost);
 
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                        }
 
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                        else
 
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                        {
 
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                                rl = rb_sprintf(response, "%s%s=%c%s@%s ",
 
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                                                target_p->name,
 
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                                                IsOper(target_p) ? "*" : "",
 
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                                                (target_p->user->away) ? '-' : '+',
 
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                                                target_p->username, target_p->host);
 
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                        }
 
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                        if((rl + cur_len) < (BUFSIZE - 10))
 
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                        {
 
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                                rb_sprintf(t, "%s", response);
 
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                                t += rl;
 
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                                cur_len += rl;
 
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                        }
 
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                        else
 
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                                break;
 
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                }
 
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        }
 
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        sendto_one(source_p, "%s", buf);
 
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        return 0;
 
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}